AMD Radeon R9 280X2 vs AMD Radeon RX 6700 XT

VS

AMD Radeon R9 280X2

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 XT 's Advantages

Boost Clock has increased by 158% (2581MHz vs 1000MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (384.0GB/s vs 288.0GB/s)

512 additional rendering cores

Lower TDP (230W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2

4.096 TFLOPS

Radeon RX 6700 XT +222%

13.21 TFLOPS

Radeon R9 280X2

VS

Radeon RX 6700 XT

Graphics Card

Unknown

Release Date

Mar 2021

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

2321 MHz

1000 MHz

Boost Clock

2581 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

192bit

288.0GB/s

Bandwidth

384.0GB/s

Render Config

32

Compute Units

40

-

2048

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

165.2 GPixel/s

128.0 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

4.096 TFLOPS

FP32 (float)

13.21 TFLOPS

1024 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

375W

TDP

230W

750 W

Suggested PSU

550 W

6x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 22

Tahiti XTL (215-0821065)

GPU Variant

Navi 22 XT (215-127000006)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

17.2 billion

352 mm²

Die Size

335 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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